. >> if you, like me, believe we can do better, and if you believe america should be on a better course, if you're tired of being tired, then i ask you to vote and to work for real change and make that happen tomorrow! >> reporter: the president and governor romney raised a combined $2 billion on the campaign trail. >> so tara, the national polls show a dead heat. but we all know it comes down to the electoral college. where do the numbers stand heading into this race right now? >> reporter: 270 key electoral votes. if you look at the number of maps, they're all over the board. but if you take the real clear average, they have president obama at 201 and mitt romney at 191. now, you've got 11 swing states with 46 electoral votes. all of the races very close, including within a margin of error. and that includes ohio, which, dana, many think will turn this race. >> all right. it begins very soon. it's already started in new hampshire. >> that's right. >> a tie. tara in washington, thank you. >>> two wealthy california siblings are digging deep into their pockets to make sure their ballot